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How to test which port MySQL is running on and whether it can be connected to?

...follow | edited Jul 6 '17 at 5:58 answered May 3 '11 at 4:08 ...
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Is there a way to create a function from a string with javascript?

...t for 4 different ways to create a function from string : Using RegExp with Function class var func = "function (a, b) { return a + b; }".parseFunction(); Using Function class with "return" var func = new Function("return " + "function (a, b) { return a + b; }")(); Using official Function const...
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What is the correct way to check for string equality in JavaScript?

What is the correct way to check for equality between Strings in JavaScript? 9 Answers ...
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What is cURL in PHP?

In PHP, I see the word cURL in many PHP projects. What is it? How does it work? 11 Answers ...
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Learning Python from Ruby; Differences and Similarities

...s; Ruby does not. In Python, you can take any function or method and pass it to another function. In Ruby, everything is a method, and methods can't be directly passed. Instead, you have to wrap them in Proc's to pass them. Ruby and Python both support closures, but in different ways. In Python,...
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GCC compile error with >2 GB of code

...m to output offsets instead of strings (i.e. instead of the string "s.ds0" it will produce offsetof(ProcessVars, ds0) create an array of such offsets write an evaluator which accepts the array above and the base addresses of the structure pointers and produces an result The array+evaluator will r...
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How to check whether a string contains a substring in Ruby

I have a string variable with content: 9 Answers 9 ...
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Should I commit or rollback a read transaction?

I have a read query that I execute within a transaction so that I can specify the isolation level. Once the query is complete, what should I do? ...
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How to get the connection String from a database

I have created a database with SQL Server Management Studio, I would like to now use it in my C# application. I need the connection string? ...
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Should I index a bit field in SQL Server?

I remember reading at one point that indexing a field with low cardinality (a low number of distinct values) is not really worth doing. I admit I don't know enough about how indexes work to understand why that is. ...